 He brought out a second and enlarged edition of the "Hortus Kewensis" in 1810–1813, a catalogue of the plants at Kew Gardens, the first edition of which was written by his father William Aiton.Aiton succeeded his father as director at Kew Gardens in 1793 and was commissioned by George IV to lay out the gardens at the Royal Brighton Pavilion and at Buckingham Palace Gardens.Aiton was one of the founders and an active fellow of the Royal Horticultural Society.